Home / 26,690.99-36,809.70-22,146.47

Finding the Fourth Proportional to 26,690.99, 36,809.70 and 22,146.47

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Solution

The fourth proportional to 26,690.99, 36,809.70 and 22,146.47 is: 30,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.99 : 36,809.70 = 22,146.47 : x
  2. Step 2: Convert to fraction form
    26,690.99/36,809.70 = 22,146.47/x
  3. Step 3: Cross multiply
    26,690.99x = 36,809.70 × 22,146.47
  4. Step 4: Simplify right side
    26,690.99x = 815,204,621.98
  5. Step 5: Solve for x
    x = 815,204,621.98/26,690.99
  6. Step 6: Final answer
    x = 30,542.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.